libqos/ahci: Add port_check_nonbusy helper
commit89a46723668a35db3eac5cb59b32ba67948dee0d
authorJohn Snow <jsnow@redhat.com>
Thu, 5 Feb 2015 17:41:18 +0000 (5 12:41 -0500)
committerStefan Hajnoczi <stefanha@redhat.com>
Mon, 16 Feb 2015 15:07:17 +0000 (16 15:07 +0000)
treeebcd6fc79412cf7824996d6deaf32188ba9d9f27
parent5bf99aa1cf67a210dd441ae4edf1e26df05360d5
libqos/ahci: Add port_check_nonbusy helper

A simple helper that asserts a given port is not busy processing any
commands via the TFD, Command Issue and SACT registers.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1423158090-25580-8-git-send-email-jsnow@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
tests/ahci-test.c
tests/libqos/ahci.c
tests/libqos/ahci.h